# context("TaskDensity")
#
# test_that("Basic ops on BostonHousing task", {
# task = tsk("precip")
# expect_task(task)
# expect_task_supervised(task)
# expect_task_density(task)
# expect_equal(task$target_names, "precip")
#
# f = task$formula()
# expect_class(f, "formula")
# # expect_set_equal(attr(terms(f), "term.labels"), task$feature_names)
# })
#
# test_that("TaskDensity: 0 feature task", {
# b = as_data_backend(data.table::data.table(y = runif(20)))
# task = TaskDensity$new(id = "zero_feat_task", b, target = "y")
# expect_output(print(task))
# b = task$backend
# expect_backend(b)
# expect_task(task)
# expect_task_supervised(task)
# expect_task_density(task)
# expect_data_table(task$data(), ncols = 1L)
#
# # lrn = lrn("density.kde")
# # p = lrn$train(task)$predict(task)
# # expect_prediction(p)
# # expect_number(e$performance)
# })
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